Intake Manifold Temperature Sensor 213-4438 ACDelco 1.5% Analog

Description

Product Overview

ACDelco’s Intake Manifold Temperature Sensor is engineered to deliver precise temperature data directly from the engine’s intake manifold. Constructed from a durable painted metal housing, the sensor combines a modern aesthetic with rugged protection against heat and vibration. The analog output circuit translates the thermal resistance of the internal thermistor into a steady voltage signal that can be read by most engine control units. By adhering to the original equipment manufacturer’s specifications, this sensor fits seamlessly into the vehicle’s existing wiring harness, eliminating the need for custom adapters or extensive rewiring.

Key specifications underline the sensor’s performance credentials. The device measures temperature up to 250 °F with an accuracy of ±1.5 %, a tolerance that meets the demands of both daily driving and high‑performance applications. Its compact dimensions of 3.6 × 2.2 × 1.7 inches and a lightweight profile of just 0.48 ounces make it easy to position within tight engine bays. The flange‑mount design aligns with the standard mounting holes on most intake manifolds, while the painted exterior resists corrosion from coolant splashes and engine oil. The part number 213‑4438 matches the OEM reference 19236269, ensuring a direct replacement without compromising fit or function.

Compatibility extends across a broad range of makes and models, from domestic sedans to light trucks that share the same intake architecture. The sensor’s analog output is recognized by most aftermarket engine management systems, allowing seamless integration with performance tuners and diagnostic tools. Because the unit is built to ACDelco’s rigorous quality standards, it tolerates the thermal cycling and mechanical stresses typical of modern engines. Installation requires only a few basic tools, and the clear labeling on the sensor housing helps technicians verify correct orientation before securing the flange. This straightforward fit‑and‑finish approach reduces downtime and supports quick service turnaround.

Beyond its core temperature sensing function, the unit incorporates a built‑in thermistor that reacts linearly to temperature changes, providing a stable voltage curve across the operating range. This design eliminates the need for external compensation components, simplifying the overall engine management system. The sensor’s internal wiring is shielded to reduce electromagnetic interference, ensuring clean signal transmission even in high‑rpm environments. Its compliance with industry standards such as ISO 16750‑2 guarantees that it meets the durability requirements for automotive electronic components.

The sensor’s internal construction features a high‑grade NTC thermistor encapsulated in a sealed ceramic housing, which provides stable resistance characteristics across the full temperature range. This configuration ensures that the voltage output changes predictably with temperature, allowing the engine control unit to apply precise calibration maps. The sensor’s lead wires are terminated with a robust connector that resists corrosion and maintains a secure electrical connection even under vibration. All components are assembled under clean‑room conditions to prevent contamination that could affect sensor accuracy.

Designed for both OEM replacement and performance upgrades, the sensor meets the stringent requirements of the automotive aftermarket. Its universal flange‑mount pattern aligns with the standard bolt spacing found on most manufacturers’ intake manifolds, eliminating the need for custom brackets. The part’s lightweight design contributes to overall engine weight reduction, a subtle benefit for performance‑focused builds. Moreover, the sensor’s compatibility with a wide range of diagnostic software enables technicians to quickly calibrate and verify sensor performance during service intervals.

Usage

In everyday driving, the intake manifold temperature influences fuel mixture, ignition timing, and emissions control. By providing an accurate temperature signal, this sensor enables the engine control unit to adjust air‑fuel ratios in real time, improving both fuel efficiency and power output. Mechanics and enthusiasts alike rely on precise temperature feedback when diagnosing cold‑start issues, misfires, or abnormal exhaust temperatures. The sensor’s rapid response time ensures that temperature fluctuations are captured instantly, giving the ECU the data it needs to maintain optimal combustion conditions under varying loads and ambient temperatures.

The flange‑mount configuration simplifies installation on most intake manifolds, requiring only the removal of the original sensor and the use of a standard torque wrench to secure the new unit. Because the housing is painted, it blends with the surrounding metal components, reducing visual intrusion and protecting the sensor from coolant and oil exposure. The analog voltage output can be monitored with a simple multimeter or integrated into a diagnostic scan tool that reads sensor voltage, making troubleshooting straightforward for both professional service centers and DIY hobbyists. This ease of installation shortens service intervals and minimizes the risk of incorrect mounting.

During routine maintenance, technicians often replace the intake manifold temperature sensor to prevent false lean codes that can arise from a failing unit. The sensor’s quick‑swap design allows it to be removed and installed in under ten minutes, minimizing vehicle downtime. When paired with a high‑quality coolant temperature sensor, the combined data set enables the engine control unit to fine‑tune fuel injection timing, especially during cold‑start conditions where precise temperature information is critical for smooth operation. This synergy contributes to lower emissions and better overall engine health.

In performance tuning scenarios, accurate intake temperature data is essential for calculating boost pressure and adjusting fuel delivery. The sensor’s fast response time allows the engine control unit to react instantly to rapid temperature changes caused by sudden throttle inputs, preventing lean conditions that could damage the engine. When paired with a high‑precision boost pressure sensor, the combined data stream enables advanced engine maps that maximize horsepower while maintaining safe operating temperatures. This synergy is particularly valuable for racing applications where every degree of temperature control can influence performance.

Installation guidelines recommend disconnecting the battery and allowing the engine to cool before removing the old sensor to avoid injury. The flange‑mount sensor should be torqued to the manufacturer‑specified value, typically around 8‑10 Nm, to ensure a secure fit without damaging the manifold threads. After installation, a brief warm‑up cycle allows the sensor to reach its operating temperature, after which a diagnostic scan can confirm proper voltage output. Following these steps guarantees optimal sensor performance and prolongs the service life of the component.

Why Choose Us

ACDelco is a trusted name in automotive parts, backed by decades of experience serving professional technicians and car enthusiasts. The company’s rigorous testing protocols include thermal cycling, vibration, and corrosion resistance assessments, ensuring each sensor meets or exceeds original equipment specifications. By sourcing high‑grade materials and employing precision manufacturing processes, ACDelco delivers components that perform reliably under the most demanding conditions.

Each sensor undergoes a final calibration check to verify the ±1.5 % accuracy claim before it leaves the factory. This quality assurance step catches any deviation early, guaranteeing that the voltage output corresponds precisely to the actual manifold temperature. The result is a product that not only fits perfectly but also provides the exact data needed for optimal engine control, reducing the likelihood of false readings that could lead to inefficient fuel use or engine wear.

ACDelco backs its sensors with a comprehensive warranty and a dedicated support team ready to assist with installation questions or troubleshooting. Customers can rely on fast response times and access to detailed technical documentation, including wiring diagrams and torque specifications. This after‑sales service adds confidence to the purchase, ensuring that the sensor continues to perform reliably throughout its service life.

ACDelco’s extensive distribution network ensures that replacement parts are readily available at authorized dealers worldwide, reducing lead times for service centers. The company also provides comprehensive technical resources, including installation videos, wiring diagrams, and detailed product specifications, which empower technicians to perform installations with confidence. By maintaining strict quality control procedures, ACDelco minimizes the risk of early failures, thereby protecting the end‑user’s investment and reinforcing the brand’s reputation for reliability.

Customer feedback consistently highlights the sensor’s reliability and the ease of integration into existing engine management systems. With an average rating of 4.8 out of 5 stars from over two dozen verified purchasers, the product demonstrates strong market acceptance. ACDelco’s after‑sales service team is available to address any concerns, offering troubleshooting assistance and, if necessary, a replacement under warranty. This level of support ensures that buyers receive lasting value and confidence in their purchase.

With a global footprint spanning North America, Europe, and Asia, ACDelco provides localized support and parts availability, ensuring that customers worldwide receive the same high‑quality product and service. The company’s commitment to continuous improvement drives ongoing research into sensor technologies, guaranteeing that future iterations will incorporate the latest advancements in temperature sensing accuracy and durability.

Key Features

• Accurate analog output with ±1.5% tolerance for reliable engine temperature monitoring.
• Flange‑mount design fits standard intake manifolds, simplifying installation with basic tools.
• Durable painted metal housing resists corrosion from coolant and oil exposure.
• Rated for temperatures up to 250 °F, suitable for both stock and high‑performance engines.
• Backed by ACDelco warranty and dedicated technical support for peace of mind.

FAQ

What vehicle models are compatible with this sensor?

The sensor fits any vehicle that uses the OEM part number 213‑4438, covering a wide range of domestic cars and light trucks with a flange‑mount intake manifold.

How do I verify the sensor is working correctly after installation?

Connect a multimeter to the sensor’s output terminal and compare the voltage reading to the expected range for the current engine temperature, or use a scan tool that reads sensor voltage.

Can this sensor be used in turbocharged engines?

Yes, the sensor’s temperature rating of 250 °F and robust construction make it suitable for turbocharged or supercharged applications where higher intake temperatures are common.

What warranty does ACDelco provide for this part?

ACDelco offers a limited warranty covering defects in materials and workmanship for a period of one year from the date of purchase, along with access to technical support.

Is this sensor compatible with aftermarket engine control units?

Yes, the analog output format is widely supported by most aftermarket ECUs and performance tuning platforms, allowing seamless integration without additional signal conversion.

How do I know when the sensor needs replacement?

If the engine control unit reports erratic temperature readings, triggers lean‑code warnings, or the vehicle experiences poor idle stability, it is a strong indication that the sensor may be failing and should be inspected or replaced.

Choosing the ACDelco Intake Manifold Temperature Sensor means investing in a component that blends precision engineering with practical design. Its accurate temperature feedback supports optimal engine performance, fuel efficiency, and emissions compliance, while its robust construction ensures longevity even under demanding conditions. Whether you are a professional mechanic seeking a reliable OEM‑grade replacement or an automotive enthusiast looking to fine‑tune a performance build, this sensor delivers the confidence and results you need. Trust in ACDelco’s heritage of quality and enjoy smoother, more responsive engine operation.